Online calculator which helps you to convert units of measurement illuminance (instant translation of measure of illuminance).
Illuminance is a physical quantity characterizing the surface illumination produced by luminous flux falling on a surface.
The unit of illuminance in the system (SI) is Lux (1 Lux = 1 lumen per square meter), in (CGS) — pH (one phot is equal to 10000 suites) and in contrast to the light, the expression of the amount of light reflected by a surface is called luminance.